Motor stator structure for electric vehicle

Abstract

The utility model provides a motor stator structure for an electric vehicle, which relates to the technical field of motor stators and comprises a motor shell, radiating fins are fixedly connected to the surface of the motor shell and close to two sides at equal intervals, first annular plates are fixedly connected to two ends of the motor shell, a fixing cover and an L-shaped annular plate are respectively sleeved on the surface of each first annular plate, and the L-shaped annular plates are fixedly connected to the two ends of the motor shell. A stator body is arranged in the motor shell, grooves are formed in the surface of the stator body at equal intervals, and convex plates are embedded into the grooves and fixedly connected with the inner wall of the motor shell; according to the utility model, the fan blades are driven by the driving shaft rod to rotate, the rotation of the fan blades can drive external airflow to enter the interior of the motor shell, the effect of heat dissipation of the interior of the motor shell can be achieved, and meanwhile, part of airflow can penetrate through the annular net plate and pass through the heat dissipation fins, so that the effect of driving heat on the surface of the motor shell can be achieved; therefore, the effect of improving the heat dissipation efficiency can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of motor stators, in particular to a motor stator structure for electric vehicles. Background Art

[0002] The power system of electric vehicles mainly relies on electric motors, and the performance of electric motors depends to a large extent on the design of their stators. As an important part of the electric motor, the stator is responsible for generating a rotating magnetic field to drive the rotor to move.

[0003] Existing stators usually generate more heat under high loads, and it is usually difficult for the electric motor to effectively dissipate heat inside and outside its shell. As a result, the stator will overheat, reducing the reliability and service life of the electric motor. Therefore, a motor stator structure for electric vehicles is needed to solve the above problems. Summary of the Utility Model

[0004] The utility model mainly provides a motor stator structure for electric vehicles that can improve the heat dissipation efficiency on the inner and outer shell surfaces.

[0005] To achieve the above object, the utility model adopts the following technical solutions: A motor stator structure for electric vehicles, comprising: a motor housing, heat dissipation fins are fixedly connected to the surface of the motor housing at equal intervals near both sides, first ring plates are fixedly connected to both ends of the motor housing, a fixed cover and an L-shaped ring plate are respectively sleeved on the surface of the first ring plate, a stator body is arranged inside the motor housing, grooves are opened on the surface of the stator body at equal intervals, convex plates are embedded in the grooves, and the convex plates are fixedly connected to the inner wall of the motor housing. An annular net plate is sleeved on and fixedly connected to the surface of the L-shaped ring plate, a second ring plate is fixedly connected to one side wall of the annular net plate, a net cover is fixedly connected to one end of the second ring plate, a drive shaft rod is arranged inside the motor housing, a fan blade is sleeved on and fixedly connected to the surface of the drive shaft rod and located inside the second ring plate, and a resisting ring plate is arranged inside the motor housing near one side of the L-shaped ring plate, and the resisting ring plate is fixedly connected to the L-shaped ring plate.

[0006] Preferably, a fixed ring plate is fixedly connected to the inner wall of the motor housing, and the fixed ring plate is fixedly connected to one end of the convex plate. Through the above setting, the effect of preventing the stator body from moving inside the motor housing can be achieved.

[0007] Preferably, both ends of the drive shaft rod respectively penetrate through the fixed cover and the net cover and are rotatably connected to them through bearings. Through the above setting, the effect of limiting both ends of the drive shaft rod can be achieved.

[0008] Preferably, the other end of the resisting ring plate is in contact with the other end of the convex plate. Through the above setting, the effect of making one end of the resisting ring plate squeeze and fix one end of the stator body can be achieved.

[0009] Preferably, the surface edge of the wire mesh cover is an arc edge. Through the above setting, the aesthetic property of the device can be improved.

[0010] Preferably, mounting blocks are fixedly connected to the surfaces of the motor housing, the fixed cover and the L-shaped ring plate at equal intervals, and round holes are formed in the surfaces of the mounting blocks. Through the above setting, the fixed cover and the L-shaped ring plate can be mounted and fixed.

[0011] Compared with the prior art, the advantages and positive effects of the present utility model are as follows.

[0012] 1. In the present utility model, the driving shaft drives the fan blades to rotate. The rotation of the fan blades can drive the external air flow into the motor housing, which can play a role in dissipating heat inside the motor housing. At the same time, part of the air flow can pass through the annular wire mesh plate and between the heat dissipation fins, which can play a role in driving the heat on the surface of the motor housing, thereby improving the heat dissipation efficiency.

[0013] 2. In the present utility model, the groove on the stator body is sleeved on the convex plate. At this time, when the L-shaped ring plate is installed, one end of the resisting ring plate can be made to press one end of the stator body, which can play a role in conveniently fixing the stator body, thereby achieving the effect of preventing the stator body from being more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 FIG. 1 is a three-dimensional overall structure view of a stator structure of an electric vehicle motor proposed by the present utility model;

[0015] Figure 2 FIG. 2 is a cross-sectional view of the overall structure of a stator structure of an electric vehicle motor proposed by the present utility model;

[0016] Figure 3 FIG. 3 is a structural view of the stator body of a stator structure of an electric vehicle motor proposed by the present utility model.

[0017] LEGEND DESCRIPTION: 1. Motor housing; 2. Heat dissipation fins; 3. First ring plate; 4. Fixed cover; 5. Stator body; 6. Groove; 7. Convex plate; 8. Fixed ring plate; 9. L-shaped ring plate; 10. Driving shaft; 11. Annular wire mesh plate; 12. Second ring plate; 13. Wire mesh cover; 14. Mounting block; 15. Resisting ring plate; 16. Fan blade. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] In order to more clearly understand the above objects, features and advantages of the present utility model, the present utility model will be further described below with reference to the drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0019] In the following description, many specific details are set forth in order to provide a thorough understanding of the present utility model. However, the present utility model may be practiced in other ways different from those described herein. Therefore, the present utility model is not limited by the limitations of the specific embodiments disclosed in the following specification.

[0020] Please refer to Figures 1-3 , the present utility model provides a technical solution: a motor stator structure for an electric vehicle, including: a motor housing 1, heat dissipation fins 2 are fixedly connected at equal intervals on the surface of the motor housing 1 and near both sides, first ring plates 3 are fixedly connected to both ends of the motor housing 1, a fixed cover 4 and an L-shaped ring plate 9 are respectively sleeved and fixedly connected on the surface of the first ring plate 3, a stator body 5 is provided inside the motor housing 1, grooves 6 are opened at equal intervals on the surface of the stator body 5, convex plates 7 are embedded in the grooves 6, and the convex plates 7 are fixedly connected to the inner wall of the motor housing 1. An annular net plate 11 is sleeved and fixedly connected on the surface of the L-shaped ring plate 9, a second ring plate 12 is fixedly connected to one side wall of the annular net plate 11, a net cover 13 is fixedly connected to one end of the second ring plate 12, a driving shaft rod 10 is provided inside the motor housing 1, and a fan blade 16 is sleeved and fixedly connected on the surface of the driving shaft rod 10 and located inside the second ring plate 12. A resisting ring plate 15 is provided inside the motor housing 1 and near one side of the L-shaped ring plate 9, and the resisting ring plate 15 is fixedly connected to the L-shaped ring plate 9. Through the above settings, the driving shaft rod 10 can be driven to drive the fan blade 16 to rotate, the rotation of the fan blade 16 can drive the outside air flow to enter the inside of the motor housing 1, which can play a role in dissipating heat inside the motor housing 1. At the same time, part of the air flow can pass through the annular net plate 11 and pass between the heat dissipation fins 2, which can play a role in driving the heat on the surface of the motor housing 1, so as to achieve the effect of improving the heat dissipation efficiency.

[0021] As Figure 1 shown, a fixed ring plate 8 is fixedly connected to the inner wall of the motor housing 1, and the fixed ring plate 8 is fixedly connected to one end of the convex plate 7. Through the above settings, the effect of preventing the stator body 5 from moving inside the motor housing 1 can be achieved.

[0022] As Figure 2 shown, both ends of the driving shaft rod 10 respectively penetrate through the fixed cover 4 and the net cover 13 and are rotationally connected thereto through bearings. Through the above settings, the effect of limiting both ends of the driving shaft rod 10 can be achieved.

[0023] As Figure 2 shown, the other end of the resisting ring plate 15 is in contact with the other end of the convex plate 7. The other end of the resisting ring plate 15 is in contact with the other end of the convex plate 7. Through the above settings, the effect of enabling one end of the resisting ring plate 15 to press and fix one end of the stator body 5 can be achieved.

[0024] As Figure 2 shown, the edge of the surface of the net cover 13 is an arc edge. Through the above settings, the effect of improving the aesthetics of the device can be achieved.

[0025] As Figure 1 shown, mounting blocks 14 are fixedly connected to the surfaces of the motor housing 1, the fixed cover 4, and the L-shaped ring plate 9 at equal intervals, and circular holes are provided on the surfaces of the mounting blocks 14. Through the above settings, the effects of mounting and fixing the fixed cover 4 and the L-shaped ring plate 9 can be achieved.

[0026] The usage method and working principle of this device: The groove 6 on the stator body 5 is sleeved on the convex plate 7 and installed inside the short motor housing 1. At this time, the L-shaped ring plate 9 and the fixed cover 4 are installed on the first ring plate 3. At this time, the resisting ring plate 15 can squeeze and fix the stator body 5. When the device operates, the driving shaft rod 10 drives the fan blade 16 to rotate, and the rotation of the fan blade 16 can drive the external air flow into the motor housing 1, which can play a role in dissipating heat inside the motor housing 1. At the same time, part of the air flow can pass through the annular mesh plate 11 and pass between the heat dissipation fins 2, which can play a role in driving the heat on the surface of the motor housing 1, so as to improve the heat dissipation efficiency.

[0027] The above is only a preferred embodiment of the present invention, and it is not a limitation of the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical content of the technical solution of the present invention, any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A stator structure for an electric vehicle motor, characterized in that, Including: A motor housing (1), on the surface of the motor housing (1) and near both sides, heat dissipation fins (2) are fixedly connected at equal intervals. At both ends of the motor housing (1), first ring plates (3) are fixedly connected. A fixed cover (4) and an L-shaped ring plate (9) are respectively sleeved on the surface of the first ring plate (3). A stator body (5) is arranged inside the motor housing (1). Grooves (6) are formed at equal intervals on the surface of the stator body (5). Protruding plates (7) are embedded in the grooves (6). The protruding plates (7) are fixedly connected to the inner wall of the motor housing (1). An annular net plate (11) is sleeved and fixedly connected to the surface of the L-shaped ring plate (9). A second ring plate (12) is fixedly connected to one side wall of the annular net plate (11). A net cover (13) is fixedly connected to one end of the second ring plate (12). A drive shaft rod (10) is arranged inside the motor housing (1). A fan blade (16) is sleeved and fixedly connected to the surface of the drive shaft rod (10) and is located inside the second ring plate (12). A resisting ring plate (15) is arranged inside the motor housing (1) and near one side of the L-shaped ring plate (9). The resisting ring plate (15) is fixedly connected to the L-shaped ring plate (9).

2. The stator structure of an electric vehicle motor according to claim 1, characterized in that: A fixed ring plate (8) is fixedly connected to the inner wall of the motor housing (1). The fixed ring plate (8) is fixedly connected to one end of the protruding plate (7).

3. The stator structure of an electric vehicle motor according to claim 1, characterized in that: Both ends of the drive shaft rod (10) respectively penetrate through the fixed cover (4) and the net cover (13) and are rotationally connected thereto by bearings.

4. A stator structure of an electric vehicle motor according to claim 1, characterized in that: The other end of the resisting ring plate (15) is in contact with the other end of the protruding plate (7).

5. A stator structure of an electric vehicle motor according to claim 1, characterized in that: The edge of the surface of the net cover (13) is an arc edge.

6. The stator structure of an electric vehicle motor according to claim 1, wherein: Mounting blocks (14) are fixedly connected at equal intervals on the surfaces of the motor housing (1), the fixed cover (4) and the L-shaped ring plate (9). Circular holes are formed on the surfaces of the mounting blocks (14).

Images